Finding the Fourth Proportional to 669,932.10, 924,495.81 and 368,119.62
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Solution
The fourth proportional to 669,932.10, 924,495.81 and 368,119.62 is: 507,999.31
Step by Step Solution
- Step 1: Write the proportion equation
669,932.10 : 924,495.81 = 368,119.62 : x - Step 2: Convert to fraction form
669,932.10/924,495.81 = 368,119.62/x - Step 3: Cross multiply
669,932.10x = 924,495.81 × 368,119.62 - Step 4: Simplify right side
669,932.10x = 340,325,046,268.79 - Step 5: Solve for x
x = 340,325,046,268.79/669,932.10 - Step 6: Final answer
x = 507,999.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.